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Home » Quiz » Python Quiz

If my_list = [10, 20, 30, 40], what does the expression my_list[-2::-2] evaluate to?

Difficulty level
  • [20, 10]
  • [30, 10]
  • [40, 20]
  • [40, 30]
The expression my_list[-2::-2] starts at the second-to-last element of the list (which is 30), and it then steps backward by 2 positions, so it selects every second element in reverse order. Therefore, the result is [20, 10].
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